CVE-2026-6070
CriticalCVSS 9.1Exploitation Probability (EPSS)
Low risk33th percentile — higher than 33% of all known CVEs
Summary
The WP-BusinessDirectory plugin for WordPress up to version 4.0.1 contains an unauthenticated arbitrary file deletion vulnerability. Insufficient path validation in the remove() method of the JBusinessDirectoryControllerUpload class allows an attacker to manipulate the _filename parameter and delete critical server files.
Risk Assessment
An unauthenticated attacker can delete WordPress configuration files (e.g., wp-config.php) or other files accessible to the web server process, leading to full site compromise or denial of service.
Recommendation
Immediately update the WP-BusinessDirectory plugin to the latest available version. If an update is not possible, temporarily disable the plugin or block access to the upload.remove endpoint using Web Application Firewall (WAF) rules.
Original NVD description (English source)
The WP-BusinessDirectory plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Deletion in versions up to and including 4.0.1. This is due to insufficient path validation in the remove() method of the JBusinessDirectoryControllerUpload class. The task=upload.remove endpoint is accessible without authentication via the plugin's frontend routing system. The _filename parameter is accepted with RAW filter (no sanitization), and the helper function makePathFile() only normalizes directory separator characters without stripping path traversal sequences (../). When combined with the _path_type=2 parameter, which sets the base directory to the plugin's site folder, an attacker can supply a _filename value containing ../ sequences to traverse outside the plugin directory and call PHP's unlink() on arbitrary files — including wp-config.php, wp-config-backup.php, or other critical server files accessible to the web server process. This makes it possible for unauthenticated attackers to delete arbitrary files on the server.